GO:0043467 regulation of generation of precursor metabolites and energy: Metabolic Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0043467 describes any process that modulates the frequency, rate or extent of the chemical reactions and pathways that produce precursor metabolites and release energy from them.
• It sits at the top of a regulatory hierarchy that controls glycolysis, gluconeogenesis, the TCA cycle, oxidative phosphorylation and fatty acid oxidation.
• Key regulators include SLC25A47, which controls gluconeogenesis and energy expenditure, and NAD(+)-dependent enzymes such as sirtuins and CD38 that sense cellular energy status.
• Microbiome-derived metabolites such as butyrate act as sentinels that tune host energy metabolism and immune regulation.
• Dysregulation of this process is linked to cardiac aging and disease, metabolic disorders, acute lymphoblastic leukemia and Parkinson's disease with mild cognitive impairment.
• CRISPR knockout, point-mutation, knock-in and overexpression models, combined with CRISPR library screening and bioinformatics, are the core tools for dissecting this regulatory network.
Description
GO:0043467, regulation of generation of precursor metabolites and energy, is a biological process ontology term that captures every mechanism a cell uses to adjust the rate at which it produces precursor metabolites and extracts energy from them. Precursor metabolites are the small molecules from which energy carriers such as ATP and NADH are derived, and the pathways that generate them include glycolysis, the tricarboxylic acid (TCA) cycle, oxidative phosphorylation, gluconeogenesis and fatty acid oxidation. Because these pathways must match energy supply to demand, their regulation is central to cellular homeostasis, and its failure underlies a broad spectrum of human diseases. For researchers, GO:0043467 provides a standardized framework for annotating genes and proteins that modulate energy metabolism rather than catalyze its core reactions. This distinction matters because regulatory nodes such as SLC25A47, which controls gluconeogenesis and energy expenditure, are attractive therapeutic targets precisely because they tune flux without being essential catalytic enzymes. The term also connects mitochondrial transport, NAD(+) metabolism, steroid and thyroid hormone signaling, and microbiome-derived metabolites into a single regulatory landscape. Recent multi-omics studies have shown that this regulatory layer is remodeled in disease. In adult acute lymphoblastic leukemia, metabolomic profiling reveals reprogramming of energy-generating pathways that can be exploited therapeutically, while in Parkinson's disease with mild cognitive impairment, integrated network pharmacology, metabolomics and microbiome analysis identifies compounds that modulate host energy metabolism. Understanding GO:0043467 therefore requires both a mechanistic view of individual regulators and a systems-level view of how they interact.
regulation of generation of precursor metabolites and energy At A Glance
| GO ID | GO:0043467 |
|---|---|
| GO term | regulation of generation of precursor metabolites and energy |
| Ontology | biological_process |
| Synonym | None |
| Major function | Modulates the frequency, rate or extent of reactions and pathways that produce precursor metabolites and release energy from them |
| Representative regulators | SLC25A47, NAD(+)-dependent enzymes, sirtuins, CD38, butyrate-producing microbial pathways |
| Associated pathways | Glycolysis, gluconeogenesis, TCA cycle, oxidative phosphorylation, fatty acid oxidation, steroid and thyroid hormone-linked thermogenesis |
| Disease relevance | Cardiac aging and disease, metabolic disorders, acute lymphoblastic leukemia, Parkinson's disease with mild cognitive impairment |
| Research methods | CRISPR knockout, point mutation, knock-in, overexpression, CRISPR library screening, transcriptomics, proteomics, metabolomics |
What Is GO:0043467?
In our own words, GO:0043467 encompasses any biological process that changes the frequency, rate or extent of the chemical reactions and pathways that form precursor metabolites, the substances from which energy is derived, and the processes that liberate energy from those substances. It is a regulatory term rather than a catalytic one: it describes the control knobs, not the metabolic enzymes themselves.
Why Is regulation of generation of precursor metabolites and energy Important in Cell Biology?
GO:0043467 is important because energy metabolism is not a fixed pipeline but a dynamically regulated network, and the regulators annotated to this term determine whether cells survive, proliferate, differentiate or die under changing nutrient conditions. In the heart, declining NAD(+) metabolism during aging rewires mitochondrial energy production and contributes to cardiac dysfunction. In the gut, butyrate producers act as sentinels that influence host energy balance and immune regulation through microbiome metabolites. In cancer, metabolic reprogramming of energy-generating pathways supports uncontrolled proliferation and offers therapeutic vulnerabilities. Because these regulators are often druggable or genetically tractable, GO:0043467 sits at the intersection of basic metabolism, endocrinology, immunology and oncology.
• Controls the balance between energy production and energy expenditure at the cellular and organismal level.
• Links mitochondrial NAD(+) metabolism to cardiac health, aging and disease.
• Integrates microbiome-derived metabolites such as butyrate into host energy and immune regulation.
• Provides mechanistic explanations for metabolic reprogramming in acute lymphoblastic leukemia.
• Connects steroid and thyroid hormone signaling to thermogenesis and whole-body energy balance.
• Serves as a target space for network pharmacology in neurodegenerative conditions such as Parkinson's disease with mild cognitive impairment.
• Is remodeled during bacterial iron starvation, showing that energy regulation is conserved across kingdoms.
• Offers genetically tractable nodes such as SLC25A47 for CRISPR-based functional dissection.
• Underpins the interpretation of transcriptomic and proteomic datasets in metabolic and infectious disease research.
• Guides the design of metabolomics and microbiome studies that test causal roles of regulatory genes.
What Happens During regulation of generation of precursor metabolites and energy?
Sensing of energy status
In simple terms: The cell first checks how much energy it has and how much it needs.
Regulation begins with sensors that detect the availability of energy carriers such as NAD(+) and the abundance of precursor metabolites. NAD(+) metabolism is a central sensing axis in cardiac health and aging, where changes in NAD(+) levels modulate mitochondrial energy production and stress responses. Microbiome-derived metabolites such as butyrate also act as environmental signals that influence host energy and immune regulation. These sensing events set the stage for downstream adjustments in metabolic flux.
Transcriptional and post-transcriptional control of metabolic genes
In simple terms: The cell turns the production of metabolic enzymes up or down by controlling gene expression.
Once energy status is sensed, cells adjust the expression of genes encoding metabolic enzymes and transporters. The SLC25A47 locus controls gluconeogenesis and energy expenditure, illustrating how a single regulatory gene can reshape systemic energy balance. Transcriptomic and proteomic profiling of Actinobacillus pleuropneumoniae under iron starvation reveals coordinated changes in energy metabolism genes, demonstrating that this regulatory layer is conserved in bacteria. In adult acute lymphoblastic leukemia, metabolomic insights into pathogenesis highlight how transcriptional programs rewire energy-generating pathways.
Allosteric and post-translational modulation of enzyme activity
In simple terms: Enzymes are switched on or off quickly by chemical modifications or small molecules.
Beyond gene expression, the rate of precursor metabolite generation is tuned by post-translational modifications and allosteric signals. NAD(+)-dependent enzymes, including sirtuins and CD38, couple the redox state of the cell to the activity of metabolic enzymes and to mitochondrial function. Steroid and thyroid hormones modulate thermogenesis, providing endocrine inputs that adjust energy expenditure. These rapid adjustments allow the cell to match flux to demand without waiting for new protein synthesis.
Integration with immune and microbiome signals
In simple terms: Signals from the immune system and gut bacteria feed into the energy control network.
Regulation of precursor metabolite generation is not cell-autonomous; it is integrated with immune and microbial signals. Butyrate producers in the gut are described as sentinels whose metabolites influence intestinal significance and host physiology beyond butyrate itself. Immune regulation by microbiome metabolites further shows that microbial products can tune host metabolic and immune states. Integrated network pharmacology, metabolomics and microbiome studies in Parkinson's disease with mild cognitive impairment demonstrate how these inputs can be modeled and therapeutically targeted.
Systems-level remodeling in disease
In simple terms: In disease, the whole energy control network is rewired, not just one enzyme.
When regulatory nodes fail, the entire energy network can be remodeled. In cardiac aging and disease, declining NAD(+) metabolism is associated with impaired mitochondrial energy production and increased susceptibility to stress. In acute lymphoblastic leukemia, metabolomic profiling reveals distinct energy metabolism signatures that correlate with pathogenesis and therapeutic potential. These examples show that GO:0043467 is best studied as a network rather than as isolated reactions.
Key Genes Involved in GO:0043467 regulation of generation of precursor metabolites and energy
The following genes and proteins are representative regulators and effectors whose functions intersect with GO:0043467, based on the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| SLC25A47 | Controls gluconeogenesis and energy expenditure | CRISPR knockout and knock-in models can test its causal role in systemic energy balance |
| SIRT1 | NAD(+)-dependent deacetylase that modulates mitochondrial energy production | Central to cardiac aging and NAD(+) metabolism studies |
| CD38 | NAD(+) glycohydrolase that regulates cellular NAD(+) levels | Target for modulating NAD(+) availability and energy metabolism |
| NAMPT | Rate-limiting enzyme in the NAD(+) salvage pathway | Links NAD(+) metabolism to cardiac health and disease |
| PPARGC1A | Transcriptional coactivator of mitochondrial biogenesis | Frequently studied in energy expenditure and thermogenesis contexts |
| UCP1 | Uncoupling protein that dissipates energy as heat in thermogenesis | Model gene for steroid and thyroid hormone effects on thermogenesis |
| THRA | Thyroid hormone receptor alpha that regulates metabolic rate | Endocrine regulator of energy expenditure |
| NR3C1 | Glucocorticoid receptor involved in steroid signaling and metabolism | Links steroid hormones to thermogenesis and energy balance |
| G6PC | Glucose-6-phosphatase, terminal enzyme of gluconeogenesis | Readout of SLC25A47-dependent gluconeogenesis |
| PCK1 | Phosphoenolpyruvate carboxykinase, rate-controlling gluconeogenic enzyme | Used to assess gluconeogenic flux in knockout models |
| INSR | Insulin receptor that signals nutrient availability | Upstream regulator of energy storage and expenditure |
| PRKAA1 | AMP-activated protein kinase catalytic subunit, energy stress sensor | Key node connecting energy status to metabolic regulation |
| MTOR | Mechanistic target of rapamycin, nutrient-sensing kinase | Integrates nutrient signals with energy metabolism |
| Butyrate-producing pathway genes | Microbial genes that generate butyrate from fiber | Microbiome studies link them to host energy and immune regulation |
| Iron-regulated metabolic genes | Bacterial genes remodeling energy metabolism under iron starvation | Model for conserved energy regulation in pathogens |
| Leukemia metabolic signature genes | Genes underlying energy pathway reprogramming in ALL | Metabolomic and transcriptomic targets in leukemia research |
How Is regulation of generation of precursor metabolites and energy Regulated?
Regulation of GO:0043467 occurs at multiple levels. NAD(+) availability acts as a rheostat, with SIRT1, CD38 and NAMPT controlling the redox and signaling state that influences mitochondrial energy production. The SLC25A47 locus provides a genetic node that controls gluconeogenesis and energy expenditure, showing that a single mitochondrial carrier can set systemic metabolic tone. Endocrine signals from steroids and thyroid hormones adjust thermogenesis and energy expenditure. Microbiome-derived metabolites such as butyrate provide environmental inputs that modulate host energy and immune regulation. Finally, nutrient-sensing kinases such as MTOR and PRKAA1 integrate these signals into downstream metabolic decisions.
regulation of generation of precursor metabolites and energy and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| SIRT1 | Cardiac aging and disease | Cardiomyocyte-specific knockout and overexpression models |
| SLC25A47 | Gluconeogenesis and energy expenditure disorders | Liver-specific knockout and knock-in mice |
| UCP1 | Thermogenesis and endocrine disorders | Adipocyte overexpression and point-mutation models |
| Metabolic signature genes in ALL | Acute lymphoblastic leukemia | Leukemia cell line knockout and metabolomic profiling |
| Butyrate pathway genes | Microbiome-linked metabolic and immune disorders | Gnotobiotic models and microbial gene knockout |
Cardiac aging and disease
NAD(+) metabolism declines with age and is mechanistically linked to impaired mitochondrial energy production in the heart, contributing to cardiac dysfunction and increased vulnerability to stress. Regulators such as SIRT1, CD38 and NAMPT are therefore studied as modulators of cardiac energy homeostasis.
Metabolic and endocrine disorders
The SLC25A47 locus controls gluconeogenesis and energy expenditure, making it relevant to disorders of glucose homeostasis and whole-body energy balance. Steroid and thyroid hormone signaling further connects thermogenesis to endocrine disease states.
Acute lymphoblastic leukemia
Metabolomic insights into adult acute lymphoblastic leukemia reveal reprogramming of energy-generating pathways that supports pathogenesis and offers therapeutic potential. This places GO:0043467 regulators among candidate targets for metabolic intervention in leukemia.
Neurodegeneration and the microbiome-gut-brain axis
Integrated network pharmacology, metabolomics and microbiome studies in Parkinson's disease with mild cognitive impairment show that compounds such as those from Anacyclus pyrethrum can modulate host energy metabolism and microbial composition. Butyrate producers and microbiome metabolites provide a mechanistic link between gut signals and host energy regulation.
From regulation of generation of precursor metabolites and energy-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is SLC25A47 causally required for gluconeogenesis? | Liver-specific CRISPR knockout |
| Does a point mutation in a NAD(+) enzyme alter cardiac energy metabolism? | CRISPR point-mutation knock-in in cardiomyocytes |
| Can a metabolic regulator be tagged for localization studies? | Tagged knock-in of the endogenous locus |
| Does overexpression of a thermogenic gene increase energy expenditure? | Transgenic overexpression in adipocytes |
| Which genes modulate energy metabolism under iron starvation? | CRISPR library screening in bacteria |
| Which metabolic pathways are reprogrammed in leukemia? | Knockout plus metabolomics and transcriptomics in leukemia cells |
How to Study the regulation of generation of precursor metabolites and energy Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA sequencing | Transcript abundance of metabolic and regulatory genes | Mapping energy metabolism remodeling in disease and infection |
| Proteomics | Protein abundance and modifications | Validating transcriptomic changes in energy pathways |
| Metabolomics | Levels of precursor metabolites and energy carriers | Defining metabolic signatures in leukemia and neurodegeneration |
| Microbiome sequencing | Microbial community composition and functional potential | Linking butyrate producers to host energy regulation |
| CRISPR knockout | Loss-of-function effects on energy metabolism | Testing causal roles of SLC25A47 and NAD(+) enzymes |
| CRISPR point mutation | Effect of specific amino acid changes | Dissecting catalytic versus regulatory functions |
| CRISPR knock-in | Tagged or reporter alleles at endogenous loci | Localization and interaction studies of metabolic regulators |
| CRISPR library screening | Pooled fitness effects across many genes | Identifying energy metabolism modulators under stress |
Transcriptomics and proteomics
RNA sequencing and proteomic profiling can map how energy metabolism genes are remodeled under defined conditions. Transcriptomic and proteomic profiling of Actinobacillus pleuropneumoniae under iron starvation revealed coordinated changes in energy metabolism, demonstrating the power of combining these methods. In leukemia, metabolomic insights complement transcriptomic data to define pathogenic energy signatures.
Metabolomics and flux analysis
Metabolomics measures the abundance of precursor metabolites and energy carriers, providing a direct readout of GO:0043467 activity. Metabolomic insights into adult acute lymphoblastic leukemia identified energy pathway alterations with therapeutic potential. Integrated metabolomics and microbiome studies in Parkinson's disease with mild cognitive impairment further show how metabolite profiling can guide therapeutic discovery.
Microbiome and metabolite profiling
Because microbiome-derived metabolites such as butyrate influence host energy regulation, microbiome sequencing combined with metabolite quantification is essential. Butyrate producers act as sentinels of gut health and influence host physiology beyond butyrate itself. Immune regulation by microbiome metabolites provides a framework for linking microbial signals to host metabolic state.
CRISPR-based functional genomics
CRISPR knockout, point mutation, knock-in and overexpression allow causal testing of candidate regulators. The SLC25A47 locus was functionally linked to gluconeogenesis and energy expenditure using genetic models. CRISPR library screening can systematically identify genes that modulate energy metabolism under stress conditions such as iron starvation.
How CRISPR Can Be Used to Study GO:0043467 regulation of generation of precursor metabolites and energy
Knockout
CRISPR knockout is used to delete candidate regulators of GO:0043467 and measure consequences on gluconeogenesis, energy expenditure or mitochondrial function. For example, genetic models of the SLC25A47 locus established its role in controlling gluconeogenesis and energy expenditure. Knockout of NAD(+) metabolism enzymes can reveal their contribution to cardiac energy homeostasis.
Point Mutation
Point mutations allow separation of catalytic activity from regulatory function. In NAD(+)-dependent enzymes, point mutations can distinguish enzymatic activity from scaffolding or signaling roles in cardiac health and aging. This approach is valuable for testing whether specific residues are required for energy metabolism regulation.
Knock-in
Knock-in of tags, reporters or disease-associated variants at endogenous loci enables physiological studies of energy regulators. Tagged knock-in of mitochondrial carriers such as SLC25A47 allows localization and interaction studies under native expression levels. Knock-in models are also useful for studying thermogenesis genes in their endogenous context.
Overexpression
Overexpression models test whether increasing the dose of a regulator is sufficient to alter energy metabolism. Overexpression of thermogenic genes such as UCP1 can increase energy expenditure and is used to study steroid and thyroid hormone effects on thermogenesis. Overexpression of NAD(+) biosynthetic enzymes can also test sufficiency in cardiac aging models.
How EDITGENE Supports regulation of generation of precursor metabolites and energy Research
Researchers studying regulation of generation of precursor metabolites and energy-related genes often need to determine whether a candidate gene is causally involved in controlling metabolic flux, energy expenditure or disease progression. Establishing causality requires precise genetic models that can delete, mutate, tag or overexpress the gene of interest in relevant cell types. EDITGENE provides end-to-end CRISPR services and bioinformatics support to build these models and interpret the resulting multi-omics data.
Contact EDITGENE today to design your custom CRISPR model for regulation of generation of precursor metabolites and energy research.
Frequently Asked Questions About regulation of generation of precursor metabolites and energy
What is GO:0043467 regulation of generation of precursor metabolites and energy?
It is a biological process ontology term describing any process that modulates the frequency, rate or extent of the chemical reactions and pathways that form precursor metabolites and release energy from them.
What genes are involved in regulation of generation of precursor metabolites and energy?
Representative genes include SLC25A47, SIRT1, CD38, NAMPT, PPARGC1A, UCP1, THRA, NR3C1, G6PC and PCK1, based on published studies of energy metabolism regulation.
Why is regulation of precursor metabolite and energy generation important in disease?
Its dysregulation is linked to cardiac aging and disease, metabolic disorders, acute lymphoblastic leukemia and Parkinson's disease with mild cognitive impairment.
How does NAD(+) metabolism regulate energy production?
NAD(+) serves as a redox carrier and signaling molecule; its metabolism by SIRT1, CD38 and NAMPT influences mitochondrial energy production and stress responses in the heart.
What role does SLC25A47 play in energy metabolism?
The SLC25A47 locus controls gluconeogenesis and energy expenditure, making it a key genetic node in systemic energy balance.
How do microbiome metabolites influence host energy regulation?
Butyrate producers and other microbiome metabolites act as sentinels that modulate host energy metabolism and immune regulation.
What methods are used to study regulation of precursor metabolite generation?
Common methods include RNA sequencing, proteomics, metabolomics, microbiome sequencing and CRISPR-based functional genomics such as knockout, point mutation, knock-in and library screening.
Can CRISPR screens identify regulators of energy metabolism?
Yes, CRISPR library screening can systematically identify genes that modulate energy metabolism under stress conditions such as iron starvation.
How is energy metabolism reprogrammed in leukemia?
Metabolomic insights into adult acute lymphoblastic leukemia reveal reprogramming of energy-generating pathways that supports pathogenesis and offers therapeutic potential.
What experimental models are suitable for studying GO:0043467?
Liver-specific knockout for SLC25A47, cardiomyocyte models for NAD(+) enzymes, adipocyte overexpression for thermogenic genes, and leukemia cell lines for metabolic profiling are suitable models.
Conclusion
GO:0043467, regulation of generation of precursor metabolites and energy, defines the regulatory layer that matches energy production to cellular demand. Its key nodes, including SLC25A47, NAD(+)-dependent enzymes and microbiome-derived signals, are genetically tractable and clinically relevant across cardiac, metabolic, oncologic and neurodegenerative disease. Studying this term requires integrating mechanistic genetics with multi-omics readouts. CRISPR knockout, point-mutation, knock-in, overexpression and library screening models, combined with transcriptomics, proteomics and metabolomics, provide the causal evidence needed to move from correlation to mechanism.
References
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- 2. Singh V et al.. 2022. Butyrate producers, "The Sentinel of Gut": Their intestinal significance with and beyond butyrate, and prospective use as microbial therapeutics.. Front Microbiol 13:1103836 PMID: 36713166
- 3. Yook JS et al.. 2023. The SLC25A47 locus controls gluconeogenesis and energy expenditure.. Proc Natl Acad Sci U S A 120(9):e2216810120 PMID: 36812201
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- 6. Tuersong T et al.. 2025. Integrated network pharmacology, metabolomics, and microbiome studies to reveal the therapeutic effects of Anacyclus pyrethrum in PD-MCI mice.. Phytomedicine 142:156729 PMID: 40253741
- 7. Cui Y et al.. 2025. Transcriptomic and proteomic profiling of Actinobacillus pleuropneumoniae responses to iron starvation.. Front Cell Infect Microbiol 15:1669654 PMID: 41078365
- 8. Wang JY et al.. 2025. Metabolomic insights into pathogenesis and therapeutic potential in adult acute lymphoblastic leukemia.. Proc Natl Acad Sci U S A 122(7):e2423169122 PMID: 39946534
